Make openssl not cleanup at exit, which can lead to race conditions.

Fixes #1293.
sfackler · Jul 27, 2020 · befff43 · befff43
1 parent 5cf2c2d
commit befff43
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/openssl-sys/src/lib.rs b/openssl-sys/src/lib.rs
@@ -102,7 +102,7 @@ pub fn init() {
     static INIT: Once = Once::new();
 
     INIT.call_once(|| unsafe {
-        OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, ptr::null_mut());
+        OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_NO_ATEXIT, ptr::null_mut());
     })
 }
 

diff --git a/openssl-sys/src/ssl.rs b/openssl-sys/src/ssl.rs
@@ -1398,6 +1398,8 @@ cfg_if! {
 
 #[cfg(ossl110)]
 pub const OPENSSL_INIT_LOAD_SSL_STRINGS: u64 = 0x00200000;
+#[cfg(ossl110)]
+pub const OPENSSL_INIT_NO_ATEXIT: u64 = 0x00080000;
 
 extern "C" {
     #[cfg(ossl110)]